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Use case

Claude Opus 4.8 image input

image input notes for claude-opus-4-8: the rate card, a worked volume, and when to send this ID. A sample of 1 million input tokens plus 200 thousand output tokens is about $2.00 on corouter (input $1.00, output $1.00).

Images count as input

Claude Opus 4.8 lists Vision. Image tokens bill at the input rate of $1.00. Generated text still bills at the output rate of $5.00.

Claude Opus 4.8 is listed with these modalities: Chat, Vision, Reasoning.

This ID

Claude Opus 4.8 matches the Opus 5 list rate and window, without the Opus 5.5 cache-read cut. Send claude-opus-4-8 to keep an Opus 4.8 client unchanged.

A sample of 1 million input tokens plus 200 thousand output tokens is about $2.00 on corouter (input $1.00, output $1.00).

Questions

Which model ID should the request send?
Send claude-opus-4-8. Do not put a different name in the model field.
What is the minimum top-up?
Prepaid credits, $5 minimum top-up, no subscription tier.